Merge branch 'miniOS' into 'master'

bin/kadeploy3

bin/kareboot3

doc/Kadeploy.pdf

doc/Kadeploy.tex

lib/kadeploy3/server/config.rb

lib/kadeploy3/server/kareboot.rb

lib/kadeploy3/server/macrostep.rb

lib/kadeploy3/server/microsteps.rb

lib/kadeploy3/server/stepdeploy.rb

lib/kadeploy3/server/stepreboot.rb

lib/kadeploy3/server/workflow.rb

vagrant-env/kadeploy_conf/sample-cluster.conf

vagrant-env/kadeploy_conf/server.conf